D. E. Shaw & Co., Inc.
- SEC CIK
- 0001009207
- Latest filing
- Aug 14, 2026
TNDM holding history
Tandem Diabetes Care Inc in every 13F filed by D. E. Shaw & Co., Inc., including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
TNDM overviewAll 13F holders of TNDMFull Q2 2026 holdings
- Shares (Q2 2026)
- 681,808
- Value
- $10.3M
- % of portfolio
- <0.1%
- Quarters held
- 18
- Since Q1 2021
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 681,808 | $10.3M | <0.1% | −102,098−13.0% | Reduced | Holders |
| Q1 2026 | 783,906 | $15.0M | <0.1% | −70,360−8.2% | Reduced | Holders |
| Q4 2025 | 854,266 | $18.8M | <0.1% | −22,951−2.6% | Reduced | Holders |
| Q3 2025 | 877,217 | $10.6M | <0.1% | +538,549+159.0% | Added | Holders |
| Q2 2025 | 338,668 | $6.31M | <0.1% | +338,668 | New | Holders |
| Q2 2024 | 0 | $0 | 0.0% | −71,432−100.0% | Sold out | Holders |
| Q1 2024 | 71,432 | $2.53M | <0.1% | −21,708−23.3% | Reduced | Holders |
| Q4 2023 | 93,140 | $2.76M | <0.1% | −157,804−62.9% | Reduced | Holders |
| Q3 2023 | 250,944 | $5.21M | <0.1% | −351,116−58.3% | Reduced | Holders |
| Q2 2023 | 602,060 | $14.8M | <0.1% | +356,493+145.2% | Added | Holders |
| Q1 2023 | 245,567 | $9.97M | <0.1% | +93,572+61.6% | Added | Holders |
| Q4 2022 | 151,995 | $6.83M | <0.1% | +129,592+578.5% | Added | Holders |
| Q3 2022 | 22,403 | $1.07M | <0.1% | −4,886−17.9% | Reduced | Holders |
| Q2 2022 | 27,289 | $1.61M | <0.1% | +19,845+266.6% | Added | Holders |
| Q1 2022 | 7,444 | $866.0K | <0.1% | −11,478−60.7% | Reduced | Holders |
| Q4 2021 | 18,922 | $2.85M | <0.1% | +4,657+32.6% | Added | Holders |
| Q3 2021 | 14,265 | $1.70M | <0.1% | −929−6.1% | Reduced | Holders |
| Q2 2021 | 15,194 | $1.48M | <0.1% | −3,187−17.3% | Reduced | Holders |
| Q1 2021 | 18,381 | $1.62M | <0.1% | – | – | Holders |
Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.